ANALOGICAL PROCEDURE FOR THE PREPARATION OF PARTY HYDROGENED 1H-INDENO- (1,2-B) -PYRIDINE DERIVATIVES

摘要

Partially hydrogenated 1H-indeno[1,2-b]-pyridine derivatives of the general formula I in which R1 and R2, which may be identical or different, represent hydrogen, halogen or alkoxy of 1 to 4 carbon atoms, R3 represents pyridyl, phenyl, or phenyl mono- or di-substituted by halogen, nitro, amino, acylamino, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, or amino substituted by 1 or 2 aliphatic or aromatic hydrocarbon groups having 2 to 18 carbon atoms or substituted amino wherein the amino-nitrogen is included in a heterocycle, A represents a single or double bond, and X represents oxygen or sulfur, AND THEIR PHYSIOLOGICALLY TOLERATED SALTS, PROCESS FOR PREPARING THEM AND PHARMACEUTICAL PREPARATIONS CONTAINING THEM.